1 files changed, 39 insertions, 4 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/BufferD3D.h b/src/3rdparty/angle/src/libANGLE/renderer/d3d/BufferD3D.h
index a46398f911..a27ca9857a 100644
--- a/src/3rdparty/angle/src/libANGLE/renderer/d3d/BufferD3D.h
+++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/BufferD3D.h
@@ -9,10 +9,11 @@
 #ifndef LIBANGLE_RENDERER_D3D_BUFFERD3D_H_
 #define LIBANGLE_RENDERER_D3D_BUFFERD3D_H_
 
-#include "libANGLE/renderer/BufferImpl.h"
 #include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/BufferImpl.h"
 
 #include <stdint.h>
+#include <vector>
 
 namespace rx
 {
@@ -20,6 +21,24 @@ class BufferFactoryD3D;
 class StaticIndexBufferInterface;
 class StaticVertexBufferInterface;
 
+enum D3DBufferUsage
+{
+    D3D_BUFFER_USAGE_STATIC,
+    D3D_BUFFER_USAGE_DYNAMIC,
+};
+
+enum D3DBufferInvalidationType
+{
+    D3D_BUFFER_INVALIDATE_WHOLE_CACHE,
+    D3D_BUFFER_INVALIDATE_DEFAULT_BUFFER_ONLY,
+};
+
+enum D3DStaticBufferCreationType
+{
+    D3D_BUFFER_CREATE_IF_NECESSARY,
+    D3D_BUFFER_DO_NOT_CREATE,
+};
+
 class BufferD3D : public BufferImpl
 {
   public:
@@ -31,16 +50,28 @@ class BufferD3D : public BufferImpl
     virtual size_t getSize() const = 0;
     virtual bool supportsDirectBinding() const = 0;
     virtual void markTransformFeedbackUsage() = 0;
+    virtual gl::Error getData(const uint8_t **outData) = 0;
 
-    StaticVertexBufferInterface *getStaticVertexBuffer() { return mStaticVertexBuffer; }
-    StaticIndexBufferInterface *getStaticIndexBuffer() { return mStaticIndexBuffer; }
+    StaticVertexBufferInterface *getStaticVertexBuffer(const gl::VertexAttribute &attribute,
+                                                       D3DStaticBufferCreationType creationType);
+    StaticIndexBufferInterface *getStaticIndexBuffer();
 
     void initializeStaticData();
-    void invalidateStaticData();
+    void invalidateStaticData(D3DBufferInvalidationType invalidationType);
+    void reinitOutOfDateStaticData();
+
     void promoteStaticUsage(int dataSize);
 
+    gl::Error getIndexRange(GLenum type,
+                            size_t offset,
+                            size_t count,
+                            bool primitiveRestartEnabled,
+                            gl::IndexRange *outRange) override;
+
   protected:
     void updateSerial();
+    void updateD3DBufferUsage(GLenum usage);
+    void emptyStaticBufferCache();
 
     BufferFactoryD3D *mFactory;
     unsigned int mSerial;
@@ -48,7 +79,11 @@ class BufferD3D : public BufferImpl
 
     StaticVertexBufferInterface *mStaticVertexBuffer;
     StaticIndexBufferInterface *mStaticIndexBuffer;
+    std::vector<StaticVertexBufferInterface *> *mStaticBufferCache;
+    unsigned int mStaticBufferCacheTotalSize;
+    unsigned int mStaticVertexBufferOutOfDate;
     unsigned int mUnmodifiedDataUse;
+    D3DBufferUsage mUsage;
 };
 
 }